<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>首页</title>
    <link rel="stylesheet" href="css/hello.css">
    <link rel="stylesheet" href="css/bootstrap.min.css">
</head>
<body>
  <a href="#">哈哈哈哈！</a>
    <div class="card" style="width: 18rem;" id="welcome">
        <div class="card-body">
          <h5 class="card-title">欢迎来到美丽的泰国</h5>
          <p class="card-text"></p>
          <a href="#" class="btn btn-primary">点了也没啥用</a>
        </div>
      </div>
    <script src="js/bootstrap.min.js"></script>
</body>
</html>